The FM25V20A-DGQ is a 2-Mbit (256 K x 8) serial F-RAM memory with extended temperature capability, supporting 10 trillion (10^14) read/write cycles and 121-year data retention at 85°C. Operating from 2.0 V to 3.6 V, it delivers NoDelay™ writes at SPI speeds up to 33 MHz in modes 0 and 3.